package ee.ut.battleship;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Random;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class TurnPicker
 */
@WebServlet("/TurnPicker")
public class TurnPicker extends HttpServlet {
	
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public TurnPicker() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
		PrintWriter out = response.getWriter();
		Client client = LoginServlet.getClientByName(request.getParameter("clientName"));
		if (client.getOpponent().getPlayerTurn() == -1){
			Random rand=new Random();
			int playerTurn=rand.nextInt(1);
			client.setPlayerTurn(playerTurn);
			client.getOpponent().setPlayerTurn(1-playerTurn);
			out.write(String.valueOf(playerTurn));
		} else if (client.getOpponent().getPlayerTurn() == 1){
			out.write("0");
		} else if (client.getOpponent().getPlayerTurn() == 0){
			out.write("1");
		}
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
	}

}
